SOTHEBY’S DOES $5.3 BILLIONSotheby’s auction house sold $5.3 billion worth of art in 2008, according to an announcement of summary results for 2008 (the firm’s complete, audited report is due on Feb. 26, 2009). The total puts Sotheby’s ahead of arch-rival Christie’s, which posted sales of $5.1 billion (see Christie’s report, below).